2025 Compare Climate & Weather:
Mackinac Island, MI vs Sandusky, OH

Highlights

On average, there are 169 sunny days per year in Sandusky. Mackinac Island averages 159 sunny days per year. The US average is 205 sunny days.

Sandusky, Ohio gets 34.6 inches of rain, on average, per year. Mackinac Island, Michigan gets 30.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sandusky averages 23.6 inches of snow per year. Mackinac Island averages 88.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sandusky, Ohio
Summer High: the July high is around 81.6 degrees
Winter Low: the January low is 20
Rain: averages 34.6 inches of rain a year
Snow: averages 23.6 inches of snow a year

Mackinac Island, Michigan
Summer High: the July high is around 76.3 degrees
Winter Low: the January low is 9.7
Rain: averages 30.2 inches of rain a year
Snow: averages 88.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sandusky is 7.0 (10=best), which means it is about average compared to other places in Ohio.

The annual BestPlaces Comfort Index for Mackinac Island is 6.1 (10=best), which means it is less comfortable than most places in Michigan.

Today's Weather - Mackinac Island, MI

37°F

Today's Weather - Sandusky, OH

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mackinac Island / Sandusky

July is the hottest month for Mackinac Island with an average high temperature of 76.3°, which ranks it as one of the coolest places in Michigan. In Mackinac Island, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mackinac Island are July, August and June.

July is the hottest month for Sandusky with an average high temperature of 81.6°, which ranks it as one of the coolest places in Ohio. In Sandusky, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sandusky are June, August and July.

February has the coldest nighttime temperatures for Mackinac Island with an average of 9.6°. This is colder than most places in Michigan.

January has the coldest nighttime temperatures for Sandusky with an average of 20.0°. This is warmer than most places in Ohio.

In Mackinac Island, there are 0.9 days annually when the high temperature is over 90°, which is one of the coolest places in Michigan.

In Sandusky, there are 7.3 days annually when the high temperature is over 90°, which is cooler than most places in Ohio.

In Mackinac Island, there are 162.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Michigan.

In Sandusky, there are 107.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Ohio.

In Mackinac Island, there are 18.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Michigan.

In Sandusky, there are 3.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Ohio.

October is the wettest month in Mackinac Island with 3.5 inches of rain, and the driest month is February with 1.4 inches. The wettest season is Winter with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 30.2 inches in Mackinac Island means that it is one of the driest places in Michigan.


June is the wettest month in Sandusky with 3.7 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 34.6 inches in Sandusky means that it is one of the driest places in Ohio.

December is the rainiest month in Mackinac Island with 13.7 days of rain, and July is the driest month with only 8.9 rainy days. There are 131.1 rainy days annually in Mackinac Island, which is about average compared to other places in Michigan. The rainiest season is Winter when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

May is the rainiest month in Sandusky with 12.4 days of rain, and August is the driest month with only 8.7 rainy days. There are 125.0 rainy days annually in Sandusky, which is less rainy than most places in Ohio. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 88.9 inches in Mackinac Island means that it is snowier than most places in Michigan.

An annual snowfall of 23.6 inches in Sandusky means that it is about average compared to other places in Ohio.

January is the snowiest month in Mackinac Island with 24.8 inches of snow, and 7 months of the year have significant snowfall.

January is the snowiest month in Sandusky with 7.6 inches of snow, and 6 months of the year have significant snowfall.